# java 注释
# //
# /*
# */
#
# sql注释
# # /*
# # */
# #
# --
#
# python注释
# #
# """
# """
import keyword

#广泛使用的函数
#输出
# print('hello word!')
# print(3+4)
# print('3+4')
#每个元素空格隔开
# print('hello word!',3+4,30,'3+4')

#每个元素特殊符号隔开
#print('hello word!',3+4,30,'3+4',sep='$',end='##')
#请输入名字
# name=input('请输入名字:')
#请输入年龄
# age=int(input('请输入年龄:'))
#请输入身高
# sg=float(input('请输入身高:'))
# print(name,'今年',age,'岁了！！！',sep='')
# #格式化输出
# #三种：1
# print('{}今年{}岁了！！！'.format(name,age))
# #三种：2
# print(f'{name}今年{age}岁了！！！')
# #三种：3
# print('%s今年%d岁了,身高%.2f！！！' %(name,age,sg))
# sg=1.60
# mouth='5月'
# print('{}今年{}毕业！！！！'.format(name,mouth))
# print(f'{name}今年{mouth}毕业！！！！！')
# print('%s今年%s毕业,身高%.2f'%(name,mouth,sg))

# s='aabcdefghi'
# s1='123456'
# print(s.count('a'),s[2:5])
# print(s[4])
# print(s[2:6])
# print(len(s),s.count(s))
# l=len(s)
# print(s[0:l:2])
# print(s[::2])
# print(s[-1])

#一种数据的组合：元组:一系列数据的组合，里面的数据可以是任意类型，列表
# t =('001','zhangsan',21,'nan')
# print(t,type(t))
# #对列表进行修改
# l =['001','zhangsan',21,'nan']
# l.remove(l[-2])
# l.pop(-2)
# print(l,type(l),id(l))

# t =('001','zhangsan',21,'男','2025-01-01',True,123)
# t1=(1,2,3)+t
# print(t1,type(t1),id(t),id(t1),sep='\n')
#
#l =['001','zhangsan',21,'男','2025-01-01',True,123]
# # print(l,type(l),id(l),sep='\n')
# #
# # l.append(('好人','精英人士'))
# # print(l,type(l),id(l),sep='\n')
# # l.insert(-1,'haoren')
# #l.pop(l[-2])
# l.remove(1)
# print(l,type(l),id(l),sep='\n')
# l[2]=10
# print(l)
# a=b=1
# print(a,b)
# a,b=1,2
# print(a,b)
# t=(11,12,13)
# a,b,c=t
# print(a,b,c)
#取模运算
#排序，要求元素仅是数值型可排序
# ll=[23,46,12,53,7,46,8]
# ll.sort()
# print(ll)

#字典
# d={'id':'01','name':'zhangsan','age':20,'shengao':1.88,'single':True}
# print(d,type(d),sep='\n')
# #d.pop('single')
# a=d.get('single')
# b=d['single']
# print(a,b)
# print(d.items())
# print(d.keys())
# print(d.values())
# d2={'a':'22222'}
# d.update(d2)
# print(d.update(d2))


#set集合
# ss={1,3,24,4,66,4,'66',23,1,1,1}
# # print(ss,type(ss))
# # t=set(ss)
# # print(t,type(t))
# # t=tuple(t)
# # print(t,type(t))
# sss={'11111','33333'}
# # print(ss,type(ss))
# # s1=set('wfgd')
# # print(s1,type(s1))
# #
# ss.update(sss)
# print(ss)
# print(ss.update(sss))
#
# # print(keyword.kwlist)
# a=10
# a1=float(a)
# print(a1,type(a1))
# a2=str(a)
# print(a2,type(a2))
# a3=tuple(a)
# print(a3,type(a3))
# a4=list(a)
# print(a4,type(a4))
# a5=dict(a)
# print(a5,type(a5))
# a6=set(a)
# print(a6,type(a6))
# a7=bool(a)
# print(a7,type(a7))

# b=1.23
# print(b,type(b))
# b2=int(b)
# print(b2,type(b2))
# b3=str(b)
# print(b3,type(b3))
# b4=tuple(b)
# print(b4,type(b4))
# b5=list(b)
# print(b5,type(b5))
# b6=dict(b)
# print(b6,type(b6))
# b7=set(b)
# print(b7,type(b7))
# b8=bool(b)
# print(b8,type(b8))
# c='123'
# c0='abc'
# print(c,type(c))
# c1=int(c)
# print(c1,type(c1))
# c11=int(c0)
# print(c11,type(c11))
# c2=float(c)
# print(c2,type(c2))
# c22=int(c0)
# print(c22,type(c22))
# c3=tuple(c)
# print(c3,type(c3))
# c4=list(c)
# print(c4,type(c4))
# c5=dict(c)
# print(c5,type(c5))
# c55=dict(c0)
# print(c55,type(c55))
# c6=set(c)
# print(c6,type(c6))
# c7=bool(c)
# print(c7,type(c7))
#t=(12,3,"33",'abc',(1,2))
# print(t,type(t))
# t1=int(t)
# print(t1,type(t1))
# t2=float(t)
# print(t2,type(t2))
# t3=str(t)
# print(t3,type(t3))
# t4=list(t)
# print(t4,type(t4))
# t5=dict(t)
# print(t5,type(t5))
# t6=set(t)
# print(t6,type(t6))
# t7=bool(t)
# print(t7,type(t7))
# l=[12,3,"33",'abc',(1,2),[22,3]]
# print(l,type(l))
# l1=int(l)
# print(l1,type(l1))
# t2=float(t)
# print(t2,type(t2))
# l3=str(l)
# print(l3,type(l3))
# l4=tuple(l)
# print(l4,type(l4))
# l5=dict(l)
# print(l5,type(l5))
# l6=set(l)
# print(l6,type(l6))
# l7=bool(l)
# print(l7,type(l7))
# s={12,3,"33",'abc',(1,2)}
# print(s,type(s))
# s1=int(s)
# print(s1,type(s1))
# t2=float(t)
# print(t2,type(t2))
# s3=str(s)
# print(s3,type(s3))
# s4=list(s)
# print(s4,type(s4))
# s5=dict(s)
# print(s5,type(s5))
# s6=tuple(s)
# print(s6,type(s6))
# s7=bool(s)
# print(s7,type(s7))
# t=(12,3,"33",'abc',(1,2))
# print(t,type(t))
# t1=int(t)
# print(t1,type(t1))
# t2=float(t)
# print(t2,type(t2))
# t3=str(t)
# print(t3,type(t3))
# t4=list(t)
# print(t4,type(t4))
# t5=dict(t)
# print(t5,type(t5))
# t6=set(t)
# print(t6,type(t6))
# t7=bool(t)
# print(t7,type(t7))














































































































































